It is known, that popular Vostok 2409 caliber, used in great number of ChChz watches (ЧЧЗ) was elaborated in Petrodvoretz, at Raketa plant (ПЧЗ). A few Raketas 2409 were issued with PChZ (ПЧЗ) logo before production was moved to Chistopol. PChZ workers named it " Raketa, that never saw the light".

 

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